. >> also ahead the pakistani girl shot in the head by the taliban vows not to stop campaigning for the rights of all girls to get an education. >> could you feed your belly on five bucks a day? that's the average budget for someone on snap which used to be food stamps. hundreds of people in montgomery county are taking the ch >>> so what's the weekly food budget for your family, 100 bucks, 200, even more? >> could you survive on a 1/4 of that? bruce leshan is live in rockville to show us how for a lot of people in the region there's no other choice. bruce? >> reporter: yeah, lesli, we are talking about snap, the federal program that used to be called food stamps, $4.28, that's the average daily benefit per person and 20 million children across the country depend on it even here in prosperous montgomery county one in three schoolchildren using snap. >> i'm ready to go. >> reporter: montgomery county councilwoman valerieer vin is lead -- valerie erwin is leading the snap challenge. hundreds of people are voluntarily trying to shop for food for five days on $5 a day. >> we're going to be